To a large degree, since the beginning of time, charisma or the lack of it has impacted upon those in quest of acclaim. As media expands, this has become ever more vital. Thus, demeanor if unappealing, can defeat one's likelihood of success, causing the death of prospects whilst they are still embryonic.
The number of the opposition has certainly increased [in Iran]. There is more disgruntlement, but because there is no media, the voice of this opposition is not heard outside Iran.